Answer:
White blood cells.
Explanation:
The first line of defence (or outside defence system) includes physical and chemical barriers that are always ready and prepared to defend the body from infection. These include your skin, tears, mucus, cilia, stomach acid, urine flow, 'friendly' bacteria and white blood cells called neutrophils.
<span>C. Frogs will have brain damage if exposed to both brown sugar and regular sugar.</span>
normally, yellowtail and salmon is served as sashimi but im not sure I don't really get the question lol
Answer:
so that the genetic variations are not directly exact
Explanation:
Answer: Nucleotides
Explanation: DNA is made up of molecules called nucleotides. Each nucleotide contains a phosphate group, a sugar group and a nitrogen base. The four types of nitrogen bases are adenine (A), thymine (T), guanine (G) and cytosine (C).
